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Finding the Third Proportional to 28,248 and 61,352

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Solution

The third proportional to 28,248 and 61,352 is: 133,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248 : 61,352 = 61,352 : x
  2. Step 2: Convert to fraction form
    28,248/61,352 = 61,352/x
  3. Step 3: Cross multiply
    28,248x = 61,352 × 61,352
  4. Step 4: Simplify right side
    28,248x = 3,764,067,904
  5. Step 5: Solve for x
    x = 3,764,067,904/28,248
  6. Step 6: Final answer
    x = 133,250.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.